How did Walkers decide on making hot honey crisps? Plus, Jennifer Garner and Charli xcx chat to Graham Norton. Here’s what to watch this evening

8pm, Channel 4Hot honey crisps, anyone? The divisive new flavour is one of a few launched as part of Walkers’ recent rebrand. In this programme – verging on an advertorial – the cameras are invited to witness the birth of crisps from soil to shelf, and go inside the kitchen to find out how flavours like masala chicken and sticky teriyaki are invented. Hollie Richardson

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